Home / 3,459.78-5,184.09-2,072.48

Finding the Fourth Proportional to 3,459.78, 5,184.09 and 2,072.48

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Solution

The fourth proportional to 3,459.78, 5,184.09 and 2,072.48 is: 3,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.78 : 5,184.09 = 2,072.48 : x
  2. Step 2: Convert to fraction form
    3,459.78/5,184.09 = 2,072.48/x
  3. Step 3: Cross multiply
    3,459.78x = 5,184.09 × 2,072.48
  4. Step 4: Simplify right side
    3,459.78x = 10,743,896.92
  5. Step 5: Solve for x
    x = 10,743,896.92/3,459.78
  6. Step 6: Final answer
    x = 3,105.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.